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公开(公告)号：US20090208236A1
公开(公告)日：2009-08-20
申请号：US12370691
申请日：2009-02-13
IPC分类号： G03G15/20
CPC分类号： G03G15/2064 , G03G15/657 , G03G2215/00721 , G03G2215/00738
摘要： In a fixing unit, a fixing roller is rotated under driving force transmitted from a paper discharge unit-side gear of a driving section via a fixing roller driving gear, and holds and conveys a recording medium in cooperation with a pressure roller in a nip region. When a control section determines that acceleration conditions are fulfilled, the driving section increases the rotating speed of the paper discharge unit-side gear so that it is rotated at higher speed than before-acceleration speed over predetermined high-speed rotating period.
摘要翻译： 在定影单元中，定影辊经由定影辊驱动齿轮从驱动部分的排纸单元侧齿轮传递的驱动力下旋转，并且与辊隙区域中的压力辊协作地保持并传送记录介质 。 当控制部分确定加速条件满足时，驱动部分增加排纸单元侧齿轮的转速，使得其在预定高速旋转周期内以比加速前速度更高的速度旋转。
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2.发明申请公开(公告)号：US20090096153A1
公开(公告)日：2009-04-16
申请号：US12244077
申请日：2008-10-02
IPC分类号： B65H5/06
CPC分类号： B65H1/04 , B65H3/5261 , B65H7/06 , B65H2220/09 , B65H2404/14 , B65H2404/166 , B65H2511/51 , B65H2511/515 , B65H2511/528 , B65H2513/11 , B65H2513/412 , B65H2513/53 , B65H2801/06 , B65H2220/01 , B65H2220/03 , B65H2220/02
摘要： When two or more sheets of paper P are fed in an overlapped manner to a nip where a paper feed roller and a separation roller are in pressure contact with each other, a sub-CPU of a sheet feeding unit rotates the paper feed roller in a paper feeding direction and rotates the separation roller in a direction opposite to the feeding direction, so as to separate overlapping, and thereafter, it rotates the paper feed roller and the separation roller again in the feeding direction.
摘要翻译： 当将两张或更多张纸P以相互重叠的方式供给到供纸辊和分离辊彼此压力接触的辊隙时，供纸单元的副CPU将供纸辊旋转到 送纸方向，并使分离辊沿着与进给方向相反的方向旋转，从而分离重叠，然后使送纸辊和分离辊在进给方向上再次旋转。
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公开(公告)号：US20100013147A1
公开(公告)日：2010-01-21
申请号：US12501743
申请日：2009-07-13
IPC分类号： B65H5/36
CPC分类号： B65H5/38 , B65H2402/31 , B65H2402/543 , B65H2404/6111 , B65H2601/11 , B65H2801/06
摘要： In a sheet transport apparatus according to one embodiment of the present invention, coiled springs 82 are fitted in and supported by recess portions 81b at a bottom face 81a of a support frame 81 and recess portions 73c at an upper face 73b of an inner guide 73. In other words, most of the portions of the coiled spring 82 are enclosed inside the recess portions 81b of the support frame 81 and the recess portions 73c of the inner guide 73, and covered and hidden by side walls 81f of the recess portions 81b and side walls 73d of the recess portions 73c.
摘要翻译： 在根据本发明的一个实施例的纸张传送装置中，螺旋弹簧82装配在支撑框架81的底面81a处的凹部81b并由内部引导件73的上表面73b的凹部73c支撑 换句话说，螺旋弹簧82的大部分部分被包围在支撑框架81的凹部81b和内部引导件73的凹部73c内，并且被凹部81b的侧壁81f覆盖和隐藏 和凹部73c的侧壁73d。
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公开(公告)号：US20090295063A1
公开(公告)日：2009-12-03
申请号：US12474542
申请日：2009-05-29
IPC分类号： B65H5/00
CPC分类号： B65H1/266 , B65H2403/41 , B65H2403/533 , B65H2511/10 , B65H2511/20 , B65H2801/06 , Y10T74/1967 , B65H2220/01 , B65H2220/04
摘要： A sheet feeding device includes a sheet support, a restricting portion, a displacement section, and a link section. The restricting portion slides along a line passing through restricting points. The restricting portion restricts the position of the sheet when the restricting portion is positioned at each of the restricting points. The link section interlinks the restricting portion and the displacement section. The position of the displacement section is detected. The link section, which interlinks the restricting section and the displacement section, is configured to change a ratio of a distance that the displacement section travels as the restricting section travels a fixed distance, wherein the ratio of the distance between those restricting points which define a relatively large spacing therebetween becomes longer than the ratio of the distance between those restricting points which define a relatively small spacing therebetween.
摘要翻译： 片材进给装置包括片材支撑件，限制部分，位移部分和连杆部分。 限制部分沿着穿过限制点的线滑动。 当限制部分位于每个限制点时，限制部分限制片材的位置。 连接部分将限制部分和位移部分互连。 检测位移部位的位置。 连结限制部和位移部的连结部被配置为随着限制部行进固定距离而改变位移部行进的距离的比例，其中，限定部之间的距离的比例定义为 相对较大的间隔，其间的距离比限定间隔相对较小间隔的限制点之间的距离更长。
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公开(公告)号：US20110140346A1
公开(公告)日：2011-06-16
申请号：US12954978
申请日：2010-11-29
CPC分类号： B65H43/00 , B65H2553/612 , B65H2553/83 , B65H2801/06
摘要： According to an embodiment of the present invention, a sheet detection apparatus that detects a sheet includes an actuator unit that is rotatable around a rotational axis so as to adopt any of a protruding position in which the actuator unit protrudes into a detection area for detecting the sheet and a retracted position in which the actuator unit is retracted from the detection area, and an operation unit that is capable of switching between a retracted state in which the actuator unit is set to the retracted position and a protruding state in which the actuator unit is set to the protruding position. An image forming apparatus according to an embodiment of the present invention includes the sheet detection apparatus, and the sheet detection apparatus is provided in a main body of the image forming apparatus.
摘要翻译： 根据本发明的实施例，检测纸张的纸张检测装置包括：致动器单元，其可以围绕旋转轴线旋转，以便采用其中致动器单元突出到检测区域中的任何一个突出位置， 片材和致动器单元从检测区域缩回的缩回位置，以及操作单元，其能够在其中将致动器单元设定到缩回位置的缩回状态与其中致动器单元 被设置到突出位置。 根据本发明的实施例的图像形成装置包括片材检测装置，并且片材检测装置设置在图像形成装置的主体中。
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6.发明申请公开(公告)号：US20100044950A1
公开(公告)日：2010-02-25
申请号：US12537344
申请日：2009-08-07
IPC分类号： B65H7/02
CPC分类号： G03G15/6579 , B65H5/062 , B65H7/02 , B65H7/14 , B65H9/006 , B65H2404/6111 , B65H2511/51 , B65H2513/512 , B65H2513/53 , B65H2553/414 , B65H2553/82 , B65H2701/1311 , B65H2701/1313 , G03G2215/00586 , B65H2220/01 , B65H2220/03 , B65H2220/02 , B65H2220/11
摘要： In one embodiment of the present invention, a sheet transport apparatus is provided with a registration roller, a sheet transport path, a first optical sensor, a second sensor that detects the presence or absence of a sheet at an upstream side of the first optical sensor in a sheet transportation direction Xd, and a sheet transportation control unit that stops the driving of the registration roller after an elapse of a transportation time after the detection of sheet absence following sheet presence by the first optical sensor, wherein the sheet transportation control unit does not perform control with sheet detection by the first optical sensor within a detection restricted time after predetermined sheet detection by the second sensor when the sheet is of a specific type.
摘要翻译： 在本发明的一个实施例中，片材输送装置设置有定位辊，片材传送路径，第一光学传感器，第二传感器，其检测在第一光学传感器的上游侧是否存在片材 以及纸张传送控制单元，其在通过第一光学传感器检测到纸张不存在的纸张存在之后停止经过传送时间之后的对位辊的驱动，其中纸张传送控制单元执行 当纸张是特定类型时，在由第二传感器进行预定的纸张检测之后的检测限制时间内，不执行第一光学传感器的纸张检测的控制。
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